Design & Construction Specifications - Town of Kernersville

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Private DrivePrivate drives may be allowed in certain developments in accordance withthe Unified Development Ordinance.Private drives may be used in developments to provide access to parkinglot(s) for two (2) or more principal buildings in a group housing (apartments,townhouses, condominiums, etc) or other non single-family residentialdevelopment.Private drives shall be centered within an public access easement orCOMMON AREA STRIP and shall be shown as such on all preliminaryplans and final plats.The minimum design standards are as follows:Public Access Easement/Common Area 30’Min. Pavement Width EP-EP 22’Min. Aggregate Base Course 8”Min. Asphalt Surface Course 2”Ribbon Pavement is acceptable for private drives.Note: Prior to recordation of a final plat, the developer shall furnish acertification sealed by an engineer that the sub-grade and base coursepassed a proof roll in accordance with the Construction Standards of thisManuel.All private drives, connecting with public or private streets, require anapproved driveway application from the Town or NCDOT, whichever isapplicable.B. T-Shaped TurnaroundsPermanent T-shaped turnarounds shall be built in accordance with theConstruction Standards of this manual and utilized only when topographyprohibits the construction of a circular turn-a-round.In cases where a street is to be built to the adjoining property lines, and saidstreet is be extended in the near future, or said street is less than 300’ from thenearest adjoining street, a modified T-shaped turnaround may be used inaccordance with the Construction Standards of this manual.Turnarounds are not required for stub streets less than 300’ from the nearestintersecting street.
C. Horizontal Street DesignAlignmentAll streets shall conform to the Town's adopted Street Alignment Plan(s)when applicable or shall be designed and located in proper relation toexisting and proposed streets; topography; natural features as streams andtrees; public convenience and safety; and to the Town’s Development Plan.Collector streets and thoroughfares shall be as directional as possible butconsistent with topography and preserving developed properties andcommunity values.The arrangements of streets shall make provisions for the continuation ofexisting streets and utilities in adjoining subdivisions. When a newsubdivision adjoins undeveloped land, or the subdivision is to be built insections, streets, including stubs, and accompanying utilities shall beconstructed to the property lines of the undeveloped land. The street andutility extensions must be designed and constructed in a manner that will notcause hardship to owners of adjoining property when they attempt todevelop their land and provide convenient access and utility services to it.If a street cannot be constructed to the property line due to minor cuts andfills which would be necessary on the adjacent property, the Public WorksDirector may determine that the last fifteen (15) feet of roadway need not beconstructed. However, in cases where the accessing street cannot beconstructed to the property line due to major cuts and fill; the Developershall post a cash bond to the Town for construction of the roadway andutilities to the property line.The design of streets shall conform to the curve controls as outlined in thismanual and design table. Streets that are multi-lane and/or divided willrequire special design review.Compound horizontal curves with the same direction of curvature shall havethe radius of the flatter circular arc no more than one and one half (1-1/2)times the radius of the sharper circular arc.IntersectionsStreets shall intersect each other at right angles whenever possible. Theminimum desirable intersection angle is eighty (80) degrees. Streetsclassified as collectors or higher shall not intersect any other street at lessthan eighty (80) degrees. In unusual situations, streets classified in theresidential category may intersect streets classified as collectors or lower ata minimum angle of seventy (70) degrees.
Page 1 and 2: TOWN OF KERNERSVILLEDESIGN AND CONS
Page 3 and 4: TABLE OF CONTENTSITEMPAGE NUMBERDef
Page 5 and 6: Drainage Maintenance Easement - A p
Page 7 and 8: Stabilizing Vegetation - Any vegeta
Page 9 and 10: Thoroughfare, Major - A public stre
Page 11 and 12: STREETDESIGN STANDARDSGENERAL:For a
Page 13 and 14: the Public Works Department, and al
Page 15: Private StreetAlthough not encourag
Page 19 and 20: practical. The vertical curve contr
Page 21 and 22: G. BridgeStructures, which are to s
Page 23 and 24: A. Intersection Sight DistanceIn or
Page 25 and 26: Operating Speed(MPH)Table 3.2Minimu
Page 27 and 28: 60 650Source: AASHTO Green Book, 19
Page 29 and 30: Design CriteriaRoadway Design Table
Page 31 and 32: 10. Maximum storm drainage pipe gra
Page 33 and 34: ) Contact person and phone numberc)
Page 35 and 36: C. Revisions to Approved Plans:1. A
Page 37 and 38: Design Drawing RequirementsPlans su
Page 39 and 40: _____ 22. Match lines between sheet
Page 47 and 48: CONSTRUCTION/INSPECTION STANDARDSGE
Page 49 and 50: ase placement, another proof roll m
Page 51 and 52: 9. Place stone base for curb and gu
Page 53 and 54: 2. Storm Drainage - A watertight sy
Page 55 and 56: 2. Authoritya. The CSS has all the
Page 57 and 58: 3. Limitationsa. The Inspector may
Page 59 and 60: (c)(d)of Aldermen, the Ordinance(s)
Page 61: STANDARD DRAWINGSTABLE OF CONTENTSI
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TOWN OF KERNERSVILLEDEPARTMENT OF P
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B. CONSTRUCTION REQUIREMENTS:1. The
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DATE:______________________________
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Town of KernersvillePublic Works De
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Watershed Permit Application - Low
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Watershed Permit - High DensitySite
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NORTH CAROLINA )) DEED OF EASEMENTF
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STATE OF NORTH CAROLINACOUNTY OF FO
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STATE OF NORTH CAROLINA )COUNTY OF
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forth in Exhibit B attached and any
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Notary PublicEXHIBIT APROPERTY DESC
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PROCEDURE FOR BONDING IMPROVEMENTSB
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PROCEDURE FOR THE COMPLETIONof“PR
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SECTION 2DESIGN GUIDELINES.Relation
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Sidewalks and Pedestrians - Minimum
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Highways and Large Through Corridor
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Design & Construction Specifications - Town of Kernersville

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